HW Score: 53.85%, 7 of Homework: HW 3.3 Question 10, 3.3.10 13 points Points: 0 of 1 Save In Marissa's calculus course, attendance counts for 15% of the grade, quizzes count for 15% of the grade, exams count for 50% of the grade and the final exam counts for 20% of the grade. Marissa had a 100% average for attendance, 89% for quizzes, 82% for exams, and 81% on the final. Determine Marissa's course average. Marissa's course average is %. (Type an integer or a decimal. Do not round.)